12874420 has 48 divisors (see below), whose sum is σ = 29388240. Its totient is φ = 4737408.

The previous prime is 12874417. The next prime is 12874427. The reversal of 12874420 is 2447821.

It can be written as a sum of positive squares in 8 ways, for example, as 6290064 + 6584356 = 2508^2 + 2566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12874427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43794 + ... + 44086.

It is an arithmetic number, because the mean of its divisors is an integer number (612255).

Almost surely, 2^12874420 is an apocalyptic number.

12874420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12874420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14694120).

12874420 is an abundant number, since it is smaller than the sum of its proper divisors (16513820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12874420 is a wasteful number, since it uses less digits than its factorization.

12874420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 12874420 is about 3588.0942016619. The cubic root of 12874420 is about 234.3738878762.

The spelling of 12874420 in words is "twelve million, eight hundred seventy-four thousand, four hundred twenty".